My games are split right now - I let my cousin borrow my 360 then "traded" it back and let him use the One so I could download Bioshock Infinite. Most of my 360 games are at his internetless place - yes, those do exist. So I have to do most of my list from memory.
360
Assassin's Creed: Brotherhood
" " Revelations
" " III
Call of Duty: Black Ops and Black Ops 2
CoD: Ghosts
Batman: Arkham Origins
Battlefield 1943
Battlefield Bad Co 2
Bioshock Infinite
Borderlands 2
Call of Duty Classic
Crysis
Dead Island
Duke Nukem 3d
Fable III
Halo: Reach
Madden NFL 25
Pinball FX2
Rainbow Six Vegas
The Witcher 2
Gears of War 1 through 3 and Judgement
GTA 4 plus Tales of Liberty City
XBOX ONE
Assassin's Creed: Black Flag
Assassin's Creed: Unity
Dying Light
Call of Duty: Advanced Warfare
Dragon Age Inquisition
360
Assassin's Creed: Brotherhood
" " Revelations
" " III
Call of Duty: Black Ops and Black Ops 2
CoD: Ghosts
Batman: Arkham Origins
Battlefield 1943
Battlefield Bad Co 2
Bioshock Infinite
Borderlands 2
Call of Duty Classic
Crysis
Dead Island
Duke Nukem 3d
Fable III
Halo: Reach
Madden NFL 25
Pinball FX2
Rainbow Six Vegas
The Witcher 2
Gears of War 1 through 3 and Judgement
GTA 4 plus Tales of Liberty City
XBOX ONE
Assassin's Creed: Black Flag
Assassin's Creed: Unity
Dying Light
Call of Duty: Advanced Warfare
Dragon Age Inquisition